Genetic Terminology Flashcards
1
Q
What is an allele?
A
Variant of a gene
2
Q
What is heterozygous?
What is homozygous?
A
Different alleles for same gene
Same alleles for same gene
3
Q
What do you call the position of the gene on a chromosome?
A
The locus
4
Q
What does diploid mean
What does haploid mean?
A
Two copies of each chromosome
One copy of each chromosome
5
Q
What are autosomal chromosomes?
A
Those which are not sex cells
6
Q
What do you call a chromosome that is different in shape, size and behaviour?
What do these normally refer to?
A
Allosomes
Sex cells
7
Q
What do you use to work out the likelihood of a specific trait from parents genome?
A
A punnet square (monohybrid cross)
8
Q
What is codominance?
A
When both alleles are expressed in a phenotype
